One got through the firewall.
I review all new members by reviewing their emails, checking them for validity and against known spammer lists.
That knocks out 95 percent of them.
After that, I review the IP address and look at the hosting company. If it's outside the US, I delete them.
This guy had a US IP and a real email address that did not show up on spammer lists.
I was wary but optimistic. Definitely wrong about that.
He and his posts are gone. Bill